Open Access

Table B.1

Sub-level data of atomic hydrogen combined into three-level model taken from the NIST database (Kramida et al. 2019).

i n ĝi Êi (K) Orbital (nl) j
1 1 2 0 1s 1/2
2 2 2 118 352.24454327 2p 1/2
3 2 2 118 352.29531193 2s 1/2
4 2 4 118 352.77097467 2p 3/2
5 3 2 140 269.55551305 3p 1/2
6 3 2 140 269.57062165 3s 1/2
7 3 4 140 269.71123621 3d 3/2
8 3 4 140 269.71149231 3p 3/2
9 3 6 140 269.76322354 3d 5/2

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